feat(alpine): 3.16.2

alpine/Containerfile

@@ -0,0 +1,34 @@
+ARG VERSION=3.16.2
+
+FROM alpine as build
+ARG VERSION
+ENV VERSION $VERSION
+
+ENV ALPINE_SERIES 3.16
+ENV ALPINE_MIRROR https://ftp.halifax.rwth-aachen.de/alpine/v${ALPINE_SERIES}
+ENV ALPINE_ARCH x86_64
+
+WORKDIR /root
+RUN set -xo pipefail; apk add --no-cache curl gnupg &&\
+  curl -LO ${ALPINE_MIRROR}/releases/${ALPINE_ARCH}/alpine-minirootfs-${VERSION}-${ALPINE_ARCH}.tar.gz &&\
+  curl -LO ${ALPINE_MIRROR}/releases/${ALPINE_ARCH}/alpine-minirootfs-${VERSION}-${ALPINE_ARCH}.tar.gz.asc &&\
+  gpg --recv 0482D84022F52DF1C4E7CD43293ACD0907D9495A &&\
+  gpg --verify alpine-minirootfs-${VERSION}-${ALPINE_ARCH}.tar.gz.asc alpine-minirootfs-${VERSION}-${ALPINE_ARCH}.tar.gz &&\
+  mkdir /dest &&\
+  tar -C /dest -xvzf alpine-minirootfs-${VERSION}-${ALPINE_ARCH}.tar.gz &&\
+  sed -i "s#http://dl-cdn.alpinelinux.org/alpine/v${ALPINE_SERIES}#${ALPINE_MIRROR}#g" /dest/etc/apk/repositories
+ADD scan-deps.sh /bin/scan-deps
+
+FROM scratch
+ARG VERSION
+ENV VERSION $VERSION
+
+COPY --from=build /dest /
+ADD zknt-ca.pem /usr/share/ca-certificates/zknt-ca.pem
+RUN set -xe;\
+  apk add --no-cache ca-certificates curl &&\
+  apk upgrade -a &&\
+  update-ca-certificates &&\
+  rm -rf /var/cache/apk/*
+CMD ["/bin/sh"]
+LABEL version.alpine=$VERSION

alpine/README.md

@@ -0,0 +1,10 @@
+stock alpine
+============
+
+Basic Alpine base image, pulling Alpines minirootfs and extracting to `scratch`.
+
+Embeds ZKNT CA.
+
+Source repository: https://git.zknt.org/k8s/images
+
+Public registry: https://quay.io/repository/zknt/alpine

alpine/scan-deps.sh

@@ -0,0 +1,2 @@
+#!/bin/sh
+scanelf --needed --nobanner --format '%n#p' --recursive $@ | tr ',' '\n' | sort -u | awk 'system("[ -e /usr/local/lib/" $1 " ]") == 0 { next } { print "so:" $1 }'

alpine/zknt-ca.pem

@@ -0,0 +1,35 @@
+-----BEGIN CERTIFICATE-----
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+jmgC89useNyzVdo=
+-----END CERTIFICATE-----